class 类人猿{
 void crySpeak(String s){
  System.out.println(s);
 }
}
class People extends 类人猿{
  void computer(int a,int b){
  int c=a*b;
  System.out.println(c);
  }
  void crySpeak(String s){
    System.out.println("***"+s+"***");
  }
}
public class e5_10{
  public static void main(String args[]){
   类人猿 monkey;
  People geng = new People();
  monkey = geng;
  monkey.crySpeak("i love this game");
   People people =(People)monkey;
   people.computer(10,10);
 }
}
